The disclosure relates generally to materials packaging and, more specifically, to materials packaging to facilitate heat transfer for materials.
Many industries use materials stored under frozen conditions, wherein it would be useful to provide quicker thaw times. Examples of such industries include the medical industry wherein it is important to quickly thaw frozen liquid, gel or other frozen fluid materials quickly for use in a time-sensitive manner. Other industries such as the construction industry, vehicle industry, aeronautics industry and many other industries use liquids, gels and other fluid materials that are frozen, and quick thawing of such fluids would be beneficial. For example, aerospace vehicles such as airplanes and other products can use a variety of sealants, adhesives, and other materials during assembly. Such materials can be temperature sensitive. Higher temperatures can accelerate the rate of curing of such sealants, adhesives, and other materials. As such, the materials are typically stored and transported within containers at low temperatures.
Such handling requires the materials to be thawed before application. The time to thaw such materials affects throughput of aircraft assembly and fabrication. For example, it may take up to 45 minutes or an hour to thaw at room temperature, up to 10 minutes or more using forced air at room temperature, and up to 7 minutes or more in a 120° F. water bath. Currently, thawing of such materials is accomplished by submerging the container in a water bath or waiting for ambient air to warm the material to a proper temperature.
Systems and methods are disclosed for a materials container. In an example, an apparatus is disclosed. The apparatus includes-a container body that includes a cavity disposed within the container body and configured to receive a material, a nozzle fluidically connected to the cavity and configured to dispense the material from the cavity, and a channel disposed adjacent to the cavity and within a portion of the container body separating the channel and the cavity. The channel is configured to receive a second material to facilitate heat transfer between the first and second material.
A method of using the apparatus is also disclosed. The method can include disposing the material within the cavity, cooling the material, and thawing the material before dispensing the material through the nozzle.
In an example, a method of decreasing thawing time of a frozen fluid material in a container body is disclosed. The method includes coupling a heat sink element to the container body. The container body includes a cavity holding the frozen fluid material. The container body also includes a nozzle fluidically connected to the cavity and configured to dispense a thawed version of the frozen fluid material from the cavity. The container body also includes a channel disposed adjacent to the cavity and within a portion of the container separating the channel and the cavity. The channel is configured to receive a second material to facilitate heat transfer between the frozen fluid material and the second material. The method further includes thawing the frozen fluid material to obtain thawed material. The method further includes dispensing the thawed material through the nozzle.
In an example, a method is disclosed. The method includes disposing a first material within a cavity of a container body. The method further includes cooling the first material to obtained cooled material. The method further includes disposing a second material within a channel of the container body, where the channel is adjacent to the cavity and within a portion of the container body separating the channel and the cavity. The method further includes transferring heat between the cooled material and the second material to thaw the cooled material to obtain thawed material. The method further includes dispensing the thawed material through a nozzle of the container body.
The scope of the invention is defined by the claims, which are incorporated into this section by reference. A more complete understanding of the disclosure will be afforded to those skilled in the art, as well as a realization of additional advantages thereof, by a consideration of the following detailed description of one or more implementations. Reference will be made to the appended sheets of drawings that will first be described briefly.
Examples of the disclosure and their advantages are best understood by referring to the detailed description that follows. It should be appreciated that like reference numerals are used to identify like elements illustrated in one or more of the figures.
Various examples of systems and techniques for handling materials are described herein. The handling of materials may include storing, transporting, heating, cooling, and/or dispensing the materials. A system can include a container with a body. Such a container body may form and/or may be referred to as a housing, a housing wall, an enclosure, or a shell of the container. The body can include a cavity and a dispensing nozzle. In some aspects, the container body has an inner surface and an outer surface opposite the inner surface. The inner surface may define the cavity and/or the dispensing nozzle. The body can further include one or more channels separate from the cavity. In this regard, the body has walls that separate/compartmentalize the body to define and divide the cavity and each channel. In an aspect, the channel(s) of the body may be disposed adjacent to the cavity and within a portion of the body that separates the channel(s) and the cavity. In some cases, the channel(s) may be considered to be adjacent to the cavity since a single wall/divider separates the channel(s) from the cavity. The channel(s) may receive a fluid. The system can also include a plunger disposed within the cavity.
The materials described herein can be processing materials and other viscous or liquid materials. Such materials can include adhesives, sealants, catalysts, and other such materials used during manufacturing. Certain such materials can have extended shelf lives or processing times if they are transported in certain temperature states such as in an ambient or heated state. In one example, the material may be in a premixed cartridge containing a sealant or an adhesive.
Additionally, many adhesives, sealants, or other materials are two component systems that can cure at room temperature within a few hours, but when stored at low temperatures (e.g., below 0 degrees Celsius) can have a shelf life of months or years. However, storing the material at such temperatures requires the material to be warmed up (e.g., thawed) to a dispensing temperature (e.g., around room temperature) before the material can be extruded and used.
Using various embodiments, channels provided as part of a container may increase a heat transfer rate (e.g., cooling rate or heating rate dependent on application) associated with the material within the container relative to a case in which no channels are utilized. In this regard, the channel(s) may effectively increase a surface area over which heat can transfer to/from the material to volume ratio associated with the container (e.g., relative to containers without channels) to allow faster heat transfer (e.g., thawing) associated with materials within the container.
In some aspects, a fluid or a solid material may be provided in a channel(s) to further accelerate the heat transfer. As an example, a coolant may be pumped through the channel(s) of the container to reduce an amount of time needed to thaw the material within the cavity of the container (e.g., relative to cases in which no coolant is provided). As another example, the solid material may have a shape that is appropriate to fit in a channel and may have an appropriate thermal conductivity to facilitate heat transfer between the material within the container and the solid material. For instance, the channel may define a hollow cylindrical cavity and the solid material may be rod-shaped. In either example, the channel(s) may be disposed adjacent to (e.g., in proximity to) the cavity and within a portion of the container body separating the channel(s) and the cavity to facilitate heat transfer through the portion of the container body between the material within the cavity and the material within the channel(s) (e.g., coolant, solid rod-shaped material, etc.). Such an orientation between the channel(s) and the cavity within the container body provides surface area over which heat can transfer to/from materials within the container.
In some cases, alternative to or in addition to the channel(s), a heating element (e.g., a heat sink element) may be disposed on the container body to allow heat transfer between the material within the container and the heating element. The heating element may include at least one fin and in examples, a plurality of fins. The heating element may include, for example, hair-like structures or protrusions of a variety of shapes such as, for example, rectangular, square, triangular, oval, tubular, and other shapes.
Various example containers described herein can be made from any appropriate material. By way of non-limiting examples, the containers described herein can be made from metals (e.g., aluminum, titanium, steel, or other like metals, or alloys thereof, or mixtures thereof), composites, plastics, or other such materials, or mixtures thereof. The containers described herein can also be fabricated with any combination of appropriate techniques such as extrusion, welding, casting, fastening, bonding, molding, or other such techniques. Furthermore, while the examples of the containers described herein are cylindrical containers, the containers can be of any appropriate shape. As examples, the container can be other shapes such as rectangular, triangular, octagonal, circular, polygonal, and other such shapes.
The container body 102 has a lower surface area to volume ratio than container bodies in accordance with various embodiments. Such a low ratio associated with the container body 102 limits heat transfer between an environment and the container 100 and, thus, between the environment and the material stored within the container 100. Accordingly, a greater amount of time is required to cool and/or heat the container 100 to bring the material stored within to an appropriate temperature. For instance, in aircraft assembly and fabrication, the material (e.g., sealant, adhesive, etc.) may need to be thawed before application. Thawing of the material within the container 100 can require a long period of time and thus decrease production throughput.
The systems and techniques of the disclosure can decrease the amount of time required to cool or heat materials contained within the containers described herein. In various embodiments, such a decrease in the amount of time may be due at least in part to utilization of a container body having a higher surface area to volume ratio.
The plunger 208 is disposed within the cavity 204 and divides the cavity 204 into a cavity front section 214 configured to receive and store a material and a cavity back section 216. The plunger 208 may be in contact (e.g., direct physical contact) with the inner surface 210 of the container body 202. The material stored within the cavity front section 214 can be dispensed through the nozzle 206 located on (e.g., defined at) a first end 218 of the container body 202 by pressing the plunger 208 toward the nozzle 206.
The container body 202 also includes a plurality of channels (e.g., of which channels 220 and 222 are explicitly labeled in
In an aspect, the plurality of channels are each configured to receive a fluid, such as a liquid (e.g., heated or cooled coolant) or a gas (e.g., ambient air). In certain examples, the fluid can be pumped through the channels. In other examples, the fluid flow into the channels without being forced. For instance, ambient air can flow into the channels or the container body 202 can be placed in a bath and a liquid can naturally flow into the channels. Since the channels surround the cavity 204, the fluid facilitates heat transfer between the material in the cavity 204 and the fluid in the channels. Each of the channels is disposed adjacent to the cavity 204 and within a portion of the container body 202 separating the channels and the cavity 204. The channels are separated from the cavity 204 by a wall of the container body 202 having the inner surface 210 and the outer surface 212 and can thus be considered adjacent to the cavity 204. The channels allow heat to be transferred through the portion (e.g., walls) of the container body 202 to effectuate heat transfer between the fluid in the channels and the material in the cavity 204. As such, the channels provide a higher surface area over which heat can be transferred to cool or heat (e.g., according to a desired application) the material in the cavity 204. In this regard, relative to a case without such channels, the plurality of channels disposed in the container body 202 increase the surface area to volume ratio of the container body 202. By increasing the surface area to volume ratio of the container body 202, the plurality of channels can increase the rate at which the container body 202 and, thus, the material contained within the cavity front section 214, can be heated or cooled.
Using various embodiments, a fluid may be provided into some or all of the channels disposed in the container body 202 to facilitate heating or cooling of the material contained within the cavity front section 214 of the container 200. In some aspects, a fluid may be selectively provided (e.g., provided or not provided) to each of the channels. By allowing a fluid to be selectively provided to the channels, an amount of fluid can be conserved and/or a heat transfer rate can be controlled. For instance, relative to providing a fluid into all the channels, providing the fluid into less than the full set of channels disposed on the container body 202 may conserve the amount of fluid provided to heat or cool the material and decrease the heat transfer rate.
The plunger 408 is disposed within the cavity 404 and divides the cavity 404 into a cavity front section 422 and a cavity back section 424. In
In some aspects, the channel 410 can be similar to the channels of
The cavity front section 422 is fluidically connected (e.g., a fluid can flow therebetween) to the nozzle 406 through the openings (e.g., including the openings 426, 428, 430, and 432). As the cavity front section 422 is disposed around the channel 410, the openings allow the material to flow from the outer section of the container body 402 to the nozzle 406 that is disposed within the central section of the container body 402. In other cases, the channel 410 may be offset from the central section and/or from the nozzle 406.
Since the channel 410 is disposed within the center section of container body 402, the channel 410 increases the amount of surface area of the cavity front section 422 relative to a case in which the channel 410 is not provided and an entire volume confined within the inner surface 412 is filled with the material. As such, the surface area of the portion of the material that is disposed adjacent to a surface open to an external environment is thus increased. A fluid (e.g., coolant and ambient air) can contact the inner surface 418 of the channel 410 and the outer surface 414, thus increasing the rate of heat transfer to the material.
In an aspect, disposing of the channel 410 in the middle of the container 400 increases heat transfer to the cavity front section 422 that surrounds the channel 410. The channel 410 is separated from the nozzle 406 to prevent any fluids within the channel 410 (e.g., after heating up the material) from contaminating the dispensed material. In this regard, the inner surface 418, the outer surface 420, and the wall 436 of the channel 410 may help prevent material in the channel 410 from entering the cavity 404 and, similarly, help prevent material in the cavity 404 from entering the channel 410. While the channel 410 of
While the container body 402 is an example with one channel disposed within the cavity 404 of the container body 402, other examples can include a plurality of channels disposed within the cavity 404. Having a plurality of channels can further increase the surface area to volume ratio, further increasing heat transfer associated with the material within the container 400. In certain examples, the channels of
In an aspect, the container body 402 is formed integrally (e.g., formed in a single piece), in which various structures of the container body 402 are used to form walls, openings, and so forth to define various components (e.g., the cavity 404, the nozzle 406, the channel 410, the openings 426, 428, 430, and 432, and so forth) shown in
The cavities 604 and 624 are each configured to receive a material to be dispensed (e.g., through a nozzle of the container 600). In certain examples, the cavities 604 and 624 are fluidically connected. The cavity 622 is configured to receive a fluid. The fluid may be provided to (e.g., pumped into) the channel 606 or may be received by the channel 606 through exposure to an outside environment (e.g., ambient air). The channel 606 is disposed within the container body 602 such that the cavity 622 is between the cavities 604 and 624. Thus, the channel 606 is configured to expose a surface area of portions of the material in both the cavities 604 and 624 to the fluid in the channel 606 for heat transfer (e.g., to heat or cool the material in the cavities 604 and 624). Disposing the cavity 622 between the cavities 604 and 624 provides a large surface area over which to allow heat transfer between the material in the cavities 604 and 624. The cavity 622 may be defined with appropriate walls and surfaces to prevent material in the cavity 622 from entering the cavities 604 and 624, and to prevent material in the cavities 604 and 624 from entering the cavity 622.
In an aspect, the container body 602 is formed integrally (e.g., formed in a single piece), in which various structures of the container body 602 are used to form walls, openings, and so forth to define various components (e.g., the cavities 604, 622, and 624) shown in
As shown in
As shown in
In some cases, once the channels 220 and 222 are pumped with the fluid, the hose attachments 804 and 806 may be detached from the container 200 and a stopper placed on each of the channels 220 and 222 to prevent leakage of the fluid from the channels 220 and 222. In some cases, in order to allow the material within the cavity front section 214 to reach a desired temperature, the hose attachments 804 and 806 may continuously the fluid into the channels 220 and 222 and allow the fluid to circulate out of the channels 220 and 222 to be replenished with additional fluid at an appropriate temperature to cool or heat the material.
The fluid pumping device 802 may also pump the fluid into other channels disposed in the container body 202 of the container 200. Although the fluid pumping device 802 includes two hose attachments, a fluid pumping device may include a single hose attachment or more than two hose attachments. In some cases, a fluid pumping device may simultaneously pump the fluid into multiple channels of the container. In some cases, a number of channels may exceed a number of hose attachments that can be attached to the fluid pumping device 802 at any given time. In such cases, the fluid pumping device may be coupled to a first set of channels to pump the fluid into the first set of channels. The fluid pumping device 802 may then be detached from the first set of channels, may be coupled to a second set of channels, may pump the fluid into the second set of channels, and so forth. Furthermore, although the fluid pumping device 802 is described with reference to the container 200 of
In block 1002, a material is disposed within a cavity of a container body (e.g., the container body 202, 402, 602, or 702) of a container. The material may be pumped, poured, or otherwise dispensed in the cavity of the container body.
In block 1004, the material within the cavity is cooled to obtain cooled material. The material can be cooled by placing the container within a cooled environment (e.g., a freezer or an ice bath). The container can then be stored or transported to another location.
In block 1006, a material is disposed within a channel(s) of the container body to thaw the material in the container. The channel(s) of the container body may be adjacent to the cavity to facilitate heat transfer between the material in the channel(s) and the material in the cavity. In an aspect, the channel(s) is configured to receive a fluid, such as a liquid (e.g., heated or cooled coolant) or a gas (e.g., ambient air). It is noted that, dependent on application, a cooled material may include a material that is frozen or a material that is cooled but not frozen. Further in this regard, thawing may include warming a cooled material, which may be, but need not be, frozen.
In one example, fluid can be pumped through one or more channels (e.g., the channels 220 and 222 of
In block 1008, at least one heat sink element (e.g., the heat sink elements 706 and 708) is coupled to the container body to thaw the material within the cavity. Heat sink elements can be provided on a removable sleeve or other item that can cover an outer surface of the container body. In some aspects, block 1008 is optional, in which case the material within the cavity is thawed primarily based on fluid or gas in the channel(s).
In block 1010, heat is transferred between the cooled material in the cavity and the material in the channel(s) to thaw the cooled material to obtain thawed material. The heat may be transferred between the cooled material and the material disposed within the channel(s). In some cases, when block 1008 is performed, the heat may also be transferred between the cooled material and the heat sink element(s) coupled to the container body. Once the material in the cavity is thawed, the material can be dispensed in block 1012. A plunger of the container can force the thawed material out through a nozzle of the container that is fluidically connected to the cavity.
As such, in various embodiments, the technique of
It is noted that sizes and shapes of various components and distances between these components as provided above are examples and that sizes, shapes, and distances may be utilized in accordance with one or more implementations. In addition, the shapes provided herein are nominal shapes. In this regard, as would be appreciated by a person skilled in the art, each shape has an associated tolerance. For instance, containers as manufactured may have a substantially circular cross-section rather than the completely circular cross-section shown in various figures.
Furthermore, while the examples of the containers described herein are cylindrical containers, the containers can be of any appropriate shape. Thus, the container can be other shapes such as rectangular, triangular, octagonal, circular, polygonal, and other such shapes.
Examples described above illustrate but do not limit the invention. It should also be understood that numerous modifications and variations are possible in accordance with the principles of the present invention. Accordingly, the scope of the invention is defined only by the following claims.